<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="../../css/bootstrap.min.css">
    <link rel="stylesheet" href="../../bootstrap-icons-1.13.1/bootstrap-icons.min.css">
</head>
<body>
    <p class="text-left bg-dark">Start aligned text on all viewport sizes.</p>
    <p class="text-center bg-primary">Center aligned text on all viewport sizes.</p>
    <p class="text-right bg-success">End aligned text on all viewport sizes.</p>

    <br>

    <!--
       sm: 小屏幕≥ 576px
       md：在中等屏幕（≥768px）
       lg：在大屏幕（≥992px）
       xl 	≥ 1200px
    -->
    <p class="text-sm-left text-primary">Start aligned text on viewports sized SM (small) or wider.</p>
    <p class="text-md-center text-danger">Start aligned text on viewports sized MD (medium) or wider.</p>
    <p class="text-lg-right text-info">Start aligned text on viewports sized LG (large) or wider.</p>
    <p class="text-xl-left text-wrap">Start aligned text on viewports sized XL (extra-large) or wider.</p>

</body>
</html>